Thermostat



FIG. 1 is a front perspective view of a thermostat showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a left side elevation view thereof. The right side elevation view is a mirror image of FIG. 3.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear elevation view thereof. 

CLAIM The ornamental design for a thermostat, as shown and described. 